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Flammable ice a hot prospect for future energy
By Wang Qian (China Daily)
Updated: 2009-10-30 08:07
 Scientists predict China will become one of the first countries to begin production of gas hydrates, an enormous untapped energy source.
Production of gas hydrates, also known as flammable ice, will begin in China's tundras around 2020 and underwater after 2030, scientists predicted. "In the next decade, scientists will probe the reserves of gas hydrates," said Zhang Hongtao, chief geologist with the Ministry of Land and Resources. Analysts believe that by 2020, nearly 65 percent of the oil consumed in China will have to be imported. The development of flammable ice is expected to ease the country's dependence on oil and coal, Zhang said. Not only China, but countries all over the world are taking strides to put commercial production of gas hydrates into reality before the earth's supply of oil is used up, he added. Scientists believe there are about 156 billion tons of oil reserves, enough to last for 41 years. Global reserves of natural gas are estimated to be 175 trillion cu m, enough for 67 years.
Flammable ice is almost pure methane mixed with water and frozen under high pressure in permafrost or under the sea. One cu m of gas hydrate could release at least 164 cu m of methane. "With its huge energy potential, countries all over the world are speeding up their preparations for commercial production of gas hydrate, but we are not in a big rush until its environmental impacts are clear," Zhang said.
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